Shoe upper



FIG. 1 is a front perspective view of a shoe upper showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is a front view thereof; and,

FIG. 4 is a top view thereof.

The broken lines immediately adjacent to the shaded region form the boundaries of the claimed design. The remainder of the shoe is for environmental purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for a shoe upper, as shown and described. 